{"agent_type":"callsign_analysis","ai_model":"Qwen2.5-3B-Instruct-GPTQ-Int4","ai_pass":true,"ai_provider":"vllm","completed_at":"2026-07-02T20:11:57.856938+00:00","duration_seconds":0.508119,"id":1305680,"input_summary":"chars=639 node=66296","metadata":{"llm_candidates":[{"callsign":"K3TV","confidence":0.78}]},"output_summary":"ai_candidates=1 merged=2 calls=K3TV","recording_id":138710,"started_at":"2026-07-02T20:11:57.348819+00:00","status":"completed","step_name":"callsign.llm_extract","transcription_id":137564}